Home / 51,303.88-70,818.20-30,100.96

Finding the Fourth Proportional to 51,303.88, 70,818.20 and 30,100.96

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Solution

The fourth proportional to 51,303.88, 70,818.20 and 30,100.96 is: 41,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.88 : 70,818.20 = 30,100.96 : x
  2. Step 2: Convert to fraction form
    51,303.88/70,818.20 = 30,100.96/x
  3. Step 3: Cross multiply
    51,303.88x = 70,818.20 × 30,100.96
  4. Step 4: Simplify right side
    51,303.88x = 2,131,695,805.47
  5. Step 5: Solve for x
    x = 2,131,695,805.47/51,303.88
  6. Step 6: Final answer
    x = 41,550.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.